TMJ Symptoms. The most common symptom of TMJ disorder is pain. TMJ symptoms include 1  : Facial pain in the jaw joint area, neck and shoulders, and/or close to the ear when chewing, speaking or opening the mouth wide. 2  Limited ability to open the mouth very wide. 3  Jaw that âlocksâ in the open or closed mouth position.
An overactive immune system. If you are born with certain genes, your immune system may react to substances in the environment that are normally harmless. These substances are called allergens. Having an allergic reaction is the most common example of an overactive immune system.hen your immune system doesn't work the way it should, it is called an immune system or immunodeficiency disorder. You may: Be born with a weak immune system. This is called primary immune deficiency.
Immune system. the immune system is our bodys defence against antigens. when our immune system detects antigens, white blood cells and killer T cells are sent to destroy them. the immune system also helps to heal wounds. this process is less effective when the immune system is suppressed. î î î.